| 학회 |
한국공업화학회 |
| 학술대회 |
2017년 가을 (11/08 ~ 11/10, 부산 벡스코(BEXCO)) |
| 권호 |
21권 2호 |
| 발표분야 |
(한-태) 전자재료의 최근 동향 |
| 제목 |
Photocatalysis fundamentals and surface modification of magnetic core–shell Fe3O4/SiO2/CeO2 |
| 초록 |
Photocatalysis as a green and sustainable technology has received increasing attention during the past decades. Based on the fundamentals of photocatalysis and surface chemistry of CeO2 materials, we herein discuss a very facile and reproducible method for the synthesis of Fe3O4/SiO2/CeO2 with a control of core-shell structure. The first attempt in producing Fe3O4/CeO2 magnetic photocatalyst involved the direct deposition of CeO2 onto the surface of magnetic Fe3O4 particles. However a direct contact of CeO2 onto the surface of magnetic Fe3O4 particles presented unfavorable heterojunction, thus the SiO2 barrier layer between magnetic Fe3O4 and CeO2 was prepared as a core-shell structure to reduce the negative effect. Fe3O4/SiO2/CeO2 core-shell magnetic nanoparticles was recovered in the consecutive cycles of use by external magnetic field. The material showed good stability with regards to photocatalytic performance for three cycles of use. |
| 저자 |
Duangdao Channei1, Sukon Phanichphant2, Auppatham Nakaruk1, Pramod Koshy3, Charles C. Sorrell3
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| 소속 |
1Naresuan Univ., 2Chiang Mai Univ., 3UNSW Australia |
| 키워드 |
CeO2; Photocatalyst; Core-shell structure; Magnetic photocatalyst
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| E-Mail |
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